Adjusting method of display panel and adjusting device

Abstract

An adjusting method of a display panel and an adjusting device are provided. The adjusting method of the display panel includes following steps: obtaining a minimum refresh rate and a maximum refresh rate of the display panel; calculating a standard parameter value of the display panel according to the minimum refresh rate and the maximum refresh rate; judging if the standard parameter value satisfies a preset condition; and increasing a pixel charging time under the minimum refresh rate and/or reducing the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition.

What is claimed is: 
     
       1. An adjusting method of a display panel, comprising following steps:
 obtaining a minimum refresh rate and a maximum refresh rate of the display panel; 
 calculating a standard parameter value of the display panel according to the minimum refresh rate and the maximum refresh rate; 
 judging if the standard parameter value satisfies a preset condition; and 
 increasing a pixel charging time under the minimum refresh rate or reducing the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition. 
 
     
     
       2. The adjusting method of the display panel according to  claim 1 , wherein the step of calculating the standard parameter value according to the minimum refresh rate and the maximum refresh rate comprises following steps:
 obtaining a first brightness value according to the minimum refresh rate; 
 obtaining a second brightness value according to the maximum refresh rate; and 
 calculating the standard parameter value according to the minimum refresh rate, the first brightness value, the maximum refresh rate, and the second brightness value. 
 
     
     
       3. The adjusting method of the display panel according to  claim 2 , wherein the step of calculating the standard parameter value according to the minimum refresh rate and the maximum refresh rate comprises following steps:
 subtracting the first brightness value from the second brightness value to obtain a first target parameter; 
 subtracting the minimum refresh rate from the maximum refresh rate to obtain a second target parameter; and 
 dividing the first target parameter by the second target parameter to obtain the standard parameter value. 
 
     
     
       4. The adjusting method of the display panel according to  claim 1 , wherein before the step of calculating the standard parameter value of the display panel according to the minimum refresh rate and the maximum refresh rate, the adjusting method further comprises following steps:
 adjusting a display grayscale of the display panel to be a grayscale of 127; and 
 adjusting the display grayscale of the display panel to be a grayscale of 255; 
 the step of calculating the standard parameter value of the display panel according to the minimum refresh rate and the maximum refresh rate comprises following steps: 
 calculating the standard parameter value under the grayscale of 127; and 
 calculating the standard parameter value under the grayscale of 255. 
 
     
     
       5. The adjusting method of the display panel according to  claim 4 , wherein the step of judging if the standard parameter value satisfies the preset condition comprises:
 if the standard parameter value under the grayscale of 127 is less than or equal to 0.04 and the standard parameter value under the grayscale of 255 is less than or equal to 0.03, judging the standard parameter value satisfies the preset condition, and if no, judging the standard parameter value does not satisfy the preset condition. 
 
     
     
       6. The adjusting method of the display panel according to  claim 1 , wherein the step of increasing the pixel charging time under the minimum refresh rate or reducing the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition comprises:
 obtaining a clock signal, and increasing a pulse width of the clock signal under the minimum refresh rate or reducing the pulse width of the clock signal under the maximum refresh rate according to the clock signal. 
 
     
     
       7. The adjusting method of the display panel according to  claim 1 , wherein the step of increasing the pixel charging time under the minimum refresh rate or reducing the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition comprises:
 obtaining a data signal, and bringing forward a pulse start time of the data signal under the minimum refresh rate or delaying the pulse start time of the data signal under the maximum refresh rate according to the data signal. 
 
     
     
       8. The adjusting method of the display panel according to  claim 7 , wherein the step of obtaining the data signal, and bringing forward the pulse start time of the data signal under the minimum refresh rate or delaying the pulse start time of the data signal under the maximum refresh rate according to the data signal comprises:
 obtaining a data control signal, and reducing a pulse width of the data control signal under the minimum refresh rate or increasing the pulse width of the data control signal under the maximum refresh rate according to the data control signal. 
 
     
     
       9. The adjusting method of the display panel according to  claim 7 , wherein the step of obtaining the data signal, and bringing forward the pulse start time of the data signal under the minimum refresh rate or delaying the pulse start time of the data signal under the maximum refresh rate according to the data signal comprises:
 obtaining a data control signal and bringing forward a pulse start time of the data control signal under the minimum refresh rate according to the data control signal, or obtaining the data control signal and delaying the pulse start time of the data control signal under the maximum refresh rate according to the data control signal. 
 
     
     
       10. The adjusting method of the display panel according to  claim 1 , wherein after the step of increasing the pixel charging time under the minimum refresh rate or reducing the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition, the adjusting method further comprises:
 obtaining a standard display parameter after adjusting; 
 judging if the standard display parameter is within a preset range; and 
 adjusting the pixel charging time under the minimum refresh rate and the pixel charging time under the maximum refresh rate when the standard display parameter is not within the preset range. 
 
     
     
       11. An adjusting device of a display panel, comprising:
 an obtaining module configured to obtain a minimum refresh rate and a maximum refresh rate of the display panel; 
 a calculating module configured to calculate a standard parameter value of the display panel according to the minimum refresh rate and the maximum refresh rate; 
 a judging module configured to judge if the standard parameter value satisfies a preset condition; and 
 an adjusting module configured to increase a pixel charging time under the minimum refresh rate or reduce the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition. 
 
     
     
       12. The adjusting device of the display panel according to  claim 11 , wherein the obtaining module is further configured to obtain a first brightness value according to the minimum refresh rate and obtain a second brightness value according to the maximum refresh rate. 
     
     
       13. The adjusting device of the display panel according to  claim 11 , wherein the obtaining module is further configured to obtain a standard display parameter after adjusting. 
     
     
       14. The adjusting device of the display panel according to  claim 12 , wherein the calculating module is configured to subtract the first brightness value from the second brightness value to obtain a first target parameter, subtract the minimum refresh rate from the maximum refresh rate to obtain a second target parameter, and divide the first target parameter by the second target parameter to obtain the standard parameter value. 
     
     
       15. The adjusting device of the display panel according to  claim 12 , wherein the calculating module is configured to calculate the standard parameter value under the grayscale of 127 and the grayscale of 255. 
     
     
       16. The adjusting device of the display panel according to  claim 15 , wherein the judging module is configured to judge the standard parameter value satisfies the preset condition if the standard parameter value under the grayscale of 127 is less than or equal to 0.04 and the standard parameter value under the grayscale of 255 is less than or equal to 0.03, and if no, judge the standard parameter value does not satisfy the preset condition. 
     
     
       17. The adjusting device of the display panel according to  claim 15 , wherein the obtaining module is further configured to obtain a standard display parameter after adjusting, and the judging module is further configured to judge if the standard display parameter is within a preset range. 
     
     
       18. The adjusting device of the display panel according to  claim 11 , wherein the adjusting module is configured to adjust the pixel charging time under the minimum refresh rate or the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition to allow the standard parameter value to satisfy the preset condition. 
     
     
       19. The adjusting device of the display panel according to  claim 18 , wherein the adjusting module is configured to execute one or more of following functions:
 obtaining a clock signal, and increasing a pulse width of the clock signal under the minimum refresh rate or reducing the pulse width of the clock signal under the maximum refresh rate according to the clock signal; 
 obtaining a data signal, and bringing forward a pulse start time of the data signal under the minimum refresh rate or delaying the pulse start time of the data signal under the maximum refresh rate according to the data signal; 
 obtaining a data control signal, and reducing a pulse width of the data control signal under the minimum refresh rate or increasing the pulse width of the data control signal under the maximum refresh rate according to the data control signal; and 
 obtaining the data control signal and bringing forward a pulse start time of the data control signal under the minimum refresh rate according to the data control signal, or obtaining the data control signal and delaying the pulse start time of the data control signal under the maximum refresh rate according to the data control signal. 
 
     
     
       20. The adjusting device of the display panel according to  claim 19 , wherein the adjusting module is further configured to adjust the pixel charging time under the minimum refresh rate and the pixel charging time under the maximum refresh rate when a standard display parameter is not within a preset range.